>4gcvK (K:) observed residues (from ATOM records) cpiarslervgewwsilimrdalqglrrfdefsrsldiapnmltrrlnalveagllerqp ysqrplryqyvptakgedfrvvlmafvawgnrhyaqqgqsvqlvertsgrpvrsfmaala dgrtvpleqctvqagpaaseemrqrl